General Slash Commands
May help at sometime
friend <player name> adds the named player to your friends list
/assist <target> allows you to target another player's target
/follow <target> allows you to follow the targeted player
/bug <message> submits an ingame bug report
/respec resets every trained ability, tactic, and morale as if you were level one and had never talked to a trainer before
/refund XXXXXX (Actions|morale|Tactics|Spec)
/stuck transports a stuck charcter to the nearest respawn location
/help brings up a list of all slash commands
/aid it's /assist for getting defensive target
- on the Numpad for taking screenshots.
Shift - on the numpad to take high rez screenshots.
*Taken from a Post on the MAYHEM forums by Tanis* Cheers mate